the muck buried cars in daly city up to the wheel wells. >>> and a new mystery this morning surrounding congressman jesse jackson jr. the congressman being treated for bipolar disorder left the mayo clinic for the second time and has not said where he was going. he is being investigated for allegedly misusing campaign funds. >>> finally, imagine if something could make a man more faithful. stop the straying and wandering eye. scientists say a hormone called oxytocin may do just that. researchers found when men in monogamous relationships were given the hormone, they kept their distance from women thought to be attractive. staying about six inches further away, compared to men who didn't get the hormone. george, don't look at me that way. >> you take it daily or as needed? >> how do you find oxytocin, or whatever it is? >> i'll have that for you in a moment. >> wow. okay. josh, thanks very much. >>> now, to our exclusive interview with paul ryan. mitt romney's running mate was sent back to congress instead of the white house last week. and he sat down there with abc's jon karl to talk ab